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Finding the Fourth Proportional to 492,235.63, 679,285.43 and 265,881.13

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Solution

The fourth proportional to 492,235.63, 679,285.43 and 265,881.13 is: 366,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,235.63 : 679,285.43 = 265,881.13 : x
  2. Step 2: Convert to fraction form
    492,235.63/679,285.43 = 265,881.13/x
  3. Step 3: Cross multiply
    492,235.63x = 679,285.43 × 265,881.13
  4. Step 4: Simplify right side
    492,235.63x = 180,609,177,720.94
  5. Step 5: Solve for x
    x = 180,609,177,720.94/492,235.63
  6. Step 6: Final answer
    x = 366,916.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.